Maryland
Data centers in Frederick County, Maryland
The Census tracks 1 data center project in Frederick County, Maryland, with 2.4 GW of published capacity: 1 under construction. 1 moratorium action recorded.
How many data centers are in Frederick County?
The Census tracks 1 major project here as of Sep 22, 2026: 1 under construction. They are in Adamstown. The largest by published capacity is Quantum Frederick (2.4 GW).
Projects
| Project | Status | Capacity | Developer |
|---|---|---|---|
| Quantum Frederick Adamstown, Frederick County, MD | Under construction | 2.4 GW | TPG Real Estate Partners / Catellus Development Corporation (Quantum Maryland, LLC) |
Moratoriums
| Jurisdiction | Action | Length | What the source says |
|---|---|---|---|
| Frederick County Maryland · county |
Adopted Jul 1, 2026 |
— until Dec 31, 2026 |
Order signed July 1 by County Executive Jessica Fitzwater pausing new data center permitting or approvals until the end of the year. Maryland MattersSource excerpt“County Executive Jessica Fitzwater signed an order July 1, pausing new data center permitting or approvals until the end of the year.” |
Recent changes
| Date | What changed | Project |
|---|---|---|
| Sep 14, 2026 | County Executive rejects the Frederick Digital Campus DRRA and extends the data center pause through July 1, 2027 Frederick County Government | Quantum Frederick |
| Sep 1, 2026 | County receives first draft of the community benefits agreement / DRRA Frederick County Government | Quantum Frederick |
| Jul 1, 2026 | County Executive signs order pausing new data center permits and approvals through the end of 2026 Maryland Matters | Quantum Frederick |
| Jun 30, 2026 | Maryland Supreme Court rules that a citizen referendum on the county's expanded data center zoning must stay off the ballot Maryland Matters | Quantum Frederick |
| Feb 5, 2025 | Aligned breaks ground on a 72 MW data center within the campus DatacenterDynamics | Quantum Frederick |
| Jan 30, 2025 | MDE issues permit-to-construct for Aligned's emergency generators Maryland Department of the Environment | Quantum Frederick |
| Sep 2024 | TPG sues Quantum Loophole; settlement in Dec. 2024 removes Quantum Loophole as manager, and TPG/Catellus take over Data Center Frontier | Quantum Frederick |
| Jun 18, 2024 | Maryland Department of the Environment rescinds a $130,000 settlement offer over fiber-ring construction violations and refers the matter to the Attorney General Inside Towers | Quantum Frederick |
| Oct 10, 2023 | Maryland PSC grants Aligned provisional authorization for up to 70 MW of diesel backup generation, denying exemption for the full build-out Maryland Public Service Commission | Quantum Frederick |
| Jun 28, 2021 | Maryland Commerce announces Quantum Loophole's plan for a 2,100-acre data center campus at the former Eastalco site Maryland Department of Commerce | Quantum Frederick |
Frederick County data centers: common questions
How many data centers are in Frederick County, Maryland?
The Census tracks 1 major data center project in Frederick County as of Sep 22, 2026: 1 under construction. That covers major sourced projects, not every smaller colocation or enterprise facility.
What is the biggest data center project in Frederick County?
By published planned capacity, Quantum Frederick in Adamstown, at 2.4 GW. Its status is under construction.
Is there a data center moratorium in Frederick County?
Frederick County adopted a data center moratorium (Jul 1, 2026). Details and sources are in the moratorium tracker.
This page collects the county-level record: every tracked project, moratorium and local rule we can source for Frederick County. See all Maryland projects or look up projects near your ZIP code.
Cite this page
Last updated Sep 22, 2026. Figures may change as records are updated — include the date you retrieved them.
| APA | Data Center Census. (2026). Data centers in Frederick County, Maryland. Retrieved from https://datacentercensus.com/us/maryland/frederick-county |
|---|---|
| MLA | “Data centers in Frederick County, Maryland.” Data Center Census, Sep 22, 2026, https://datacentercensus.com/us/maryland/frederick-county. |
| Link | https://datacentercensus.com/us/maryland/frederick-county |
Republishing a figure or table? Attribute it to Data Center Census with a link to this page. The underlying data is downloadable as JSON and CSV; the press kit has standing figures and contact details.